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Finding the Fourth Proportional to 30,726, 46,090.08 and 17,572.32

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Solution

The fourth proportional to 30,726, 46,090.08 and 17,572.32 is: 26,359.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,726 : 46,090.08 = 17,572.32 : x
  2. Step 2: Convert to fraction form
    30,726/46,090.08 = 17,572.32/x
  3. Step 3: Cross multiply
    30,726x = 46,090.08 × 17,572.32
  4. Step 4: Simplify right side
    30,726x = 809,909,634.59
  5. Step 5: Solve for x
    x = 809,909,634.59/30,726
  6. Step 6: Final answer
    x = 26,359.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.